# Status Problem video Level Completes Likes 241 Separate even and odd integers in a given array Beginner % 0 239 Find local minimum or local maximum in O(1) Medium % 0 238 Separate 0’s and 1’s in a given array Beginner % 0 235 Majority Element- Boyer–Moore majority vote algorithm Medium % 0 233 Find the local minima in a given array Medium % 0 223 Stock Single Sell Problem - Dynamic Programming - O(n) Medium % 2 222 Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer Hard % 0 221 Identifying Maximum Gain from Sequential Elements Medium % 0 219 Find the two repeating elements in a given array | 6 Approaches Medium % 1 217 Find two elements whose sum is closest to zero Medium % 1 216 Find the element which appears maximum number of times in the array Medium % 0 215 Find duplicates in an given array in O(n) time and O(1) space Medium % 0 213 Find the last repeating character in a given string Beginner % 0 209 Find longest Snake sequence in a given matrix Medium % 1 208 Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it Medium % 1 207 Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix Medium % 1 204 Dynamic Programming - Edit Distance Problem Hard % 2 203 Dynamic Programming - Coin In a Line Game Problem Hard % 0 202 Dynamic Programming - Box Stacking Problem Hard % 0 201 Dynamic Programming - Split the String into Minimum number of Palindromes. Hard % 0 Separate even and odd integers in a given array Find local minimum or local maximum in O(1) Separate 0’s and 1’s in a given array Majority Element- Boyer–Moore majority vote algorithm Find the local minima in a given array Stock Single Sell Problem - Dynamic Programming - O(n) Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer Identifying Maximum Gain from Sequential Elements Find the two repeating elements in a given array | 6 Approaches Find two elements whose sum is closest to zero Find the element which appears maximum number of times in the array Find duplicates in an given array in O(n) time and O(1) space Find the last repeating character in a given string Find longest Snake sequence in a given matrix Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix Dynamic Programming - Edit Distance Problem Dynamic Programming - Coin In a Line Game Problem Dynamic Programming - Box Stacking Problem Dynamic Programming - Split the String into Minimum number of Palindromes. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16